Compare Technics EAH-AZ100 Earbuds vs JBL Endurance Race 2 Earbuds

ANC is widely rated top-tier for everyday noise and transit rumble, but several reviews stop short of calling it the absolute best in the category. Noise control is highly adjustable, with adaptive ANC plus granular sliders that let you tune intensity and reduce pressure effects.

ANC is useful for taking the edge off treadmills, office chatter, and travel noise, but every detailed reviewer said it falls clearly short of premium earbuds. ANC and ambient tuning are adjustable in the app, but reviewers generally felt those sliders and sport-mode tweaks made only modest real-world differences.

Android support looks solid thanks to Google Fast Pair support and no reported compatibility red flags, though direct Android testing was limited.

The Technics Audio Connect app is feature-rich (ANC, EQ, multipoint, spatial settings), but some reviews call the interface clunky or menu-heavy.

The JBL app adds meaningful tuning options, sports modes, and control customization, but several reviewers found some mode behavior inconvenient or not especially impactful.

Several reviews explicitly note aptX codecs are not supported.

Where tested, audio-video sync is reported as excellent with minimal to no noticeable lag.

Bass is repeatedly called deep and unusually controlled for true wireless, though one review found it can feel heavy or change with ANC settings.

Bass is decent and workout-friendly, but multiple reviews suggest it benefits from EQ boosting rather than sounding especially punchy on the default tuning.

Battery life is commonly reported around 10 hours with ANC on (AAC) plus substantial case recharges, with lower figures when using high-res modes.

Battery life is a standout strength, with reviewers consistently praising the long single-charge runtime and strong total endurance with the case.

Bluetooth stability is generally reported as reliable with few dropouts across devices and environments.

Connection stability was excellent in testing, with easy room-range use during workouts and no reported dropouts.

The case is generally pocketable and premium-feeling, but some reviews mention weak magnets, slight rattle, or scratch/scuff issues.

The case is functional but not a highlight: it is on the larger side, only lightly protected against moisture, and can pick up wear in a gym bag.

Charging is praised for USB-C plus Qi wireless and quick-charge support; full recharge times are typically a few hours.

Charging performance is strong, with quick-charge support and reasonable full-charge times repeatedly called out as practical positives.

Codec support is strong (SBC/AAC plus LDAC and LC3/LE Audio features noted), appealing to both iOS users and Android audiophiles.

Comfort is widely rated high thanks to a smaller/lighter fit, though some users may still experience fatigue or fit variability over long sessions.

Long-session comfort is unusually good for winged sports buds, with reviewers noting they stayed comfortable through runs, workouts, and daily use.

Design is viewed as premium and more compact than the prior model, though not everyone finds it the sleekest-looking option.

The design is sporty and available in appealing colors, but the buds are still noticeably chunky and protrude more than slimmer everyday earbuds.

Multiple ear tip sizes are commonly included, helping most users achieve a seal, though tip choice remains key to fit.

The included three ear-tip sizes were a useful fit aid, though one reviewer still felt the overall shell size may be too large for smaller ears.

EQ customization is a strength, often cited as an 8-band EQ plus presets that can significantly change the sound.

EQ customization is a real plus, letting users add extra bass or adjust the sound for workouts without needing third-party tools.

Find My/location features are present, but feedback varies; some appreciate the feature, while others complain the locating beep or accuracy is limited.

One reviewer explicitly noted that there is no Find My-style locating feature, which limits convenience compared with some rivals.

Accessory support is good for the class, with extra ear tips, wing options or covers, and a charging cable included in the box.

Instrument separation is frequently praised on busy tracks, helping the AZ100 stay clean and layered.

The earbuds include an onboard multi-mic setup that works well enough for routine calls and general hands-free use.

LDAC support is frequently highlighted for higher-quality Android streaming, with the usual battery-life tradeoff.

At higher volumes, clarity drops off and upper-range detail compresses, so these do not stay especially clean when pushed hard.

Voice noise reduction is often effective at cutting wind and background noise, though aggressive processing can create artifacts.

Call noise handling is respectable rather than exceptional, keeping traffic and background noise fairly controlled without fully erasing it.

Call quality is mixed: many find it usable or improved, while others report robotic processing or, in one case, serious call glitches.

Call quality is generally clear and usable, though voices can sound slightly hollow instead of especially rich or natural.

Midrange is generally clear and natural for vocals, with occasional notes that bass-heavy mixes can push voices slightly back.

Midrange performance is one of the stronger parts of the tuning, with vocals and core musical content coming through clearly for the price.

Compatibility looks broad, with successful use across phones, laptops, watches, and support for both Google and Microsoft quick-pair systems.

Three-device multipoint is a major differentiator and is often described as seamless; occasional switching lag is mentioned but not common.

Multipoint was a meaningful win, with seamless switching between devices highlighted as one of the more premium-feeling features at this price.

Portability is only average because both the buds and especially the case are a bit bulky compared with more pocket-friendly alternatives.

Preset EQ options are generally useful, though some (like extra-bassy modes) may be too much for neutral listeners.

The preset sports profiles are more interesting on paper than in practice, with reviewers often describing them as gimmicky or only mildly different.

Case finish durability is mixed, with some noting scratches/scuffs and others calling it relatively scratch-resistant.

Setup is mostly straightforward, but the lack of a case pairing button and some app UX quirks can add friction.

Setup is straightforward, with easy pairing and uncomplicated day-one use standing out as low-friction strengths.

Reviews consistently praise the AZ100 for highly detailed, spacious sound with strong dynamics; a few note the default tuning can be bass-forward or benefit from EQ.

Overall sound quality is good for the money and enjoyable for workouts and casual listening, but it does not deliver premium detail, depth, or polish.

Soundstage is a standout: multiple outlets describe an immersive, wide presentation that feels larger than typical earbuds.

Dolby spatial audio/head tracking is supported and can add immersion, but some reviewers find it subtle or prefer it off for music.

Fit stability varies: many report a secure hold, while some reviewers experienced looseness or buds falling out during vigorous movement.

Stability is one of the product's best traits, with the twist-lock wing design keeping the buds secure through running, gym work, and sweaty sessions.

Touch controls are responsive and highly configurable, with the main complaint being occasional over-sensitivity.

Touch controls are usable but not ideal for exercise, with some lag and reduced reliability versus physical buttons, especially with sweat or gloves.

Transparency/ambient mode is strong and adjustable, but some reviewers note hiss at higher levels, an unnatural voice-focused mode, or not enough outside sound for awareness.

Transparency mode is the most divisive feature: one reviewer found it fairly natural, but the more detailed running-focused reviews said traffic awareness was still lacking.

Treble is described as airy and detailed without harshness, but a few critics wanted more sparkle or presence.

Treble and upper-range clarity are only middling, with repeated comments about limited sparkle, detail, and openness up top.

USB-C charging is consistently supported and frequently mentioned as a modern convenience.

USB-C charging is included and treated as an expected but welcome convenience for everyday use.

Value is a major selling point, with every review framing the Endurance Race 2 as a feature-rich, sports-focused bargain that undercuts pricier rivals.

Voice assistant support is absent according to one review, which is a notable feature gap even at a budget price.

Maximum loudness is below average for the category, and multiple reviewers had to raise volume more than expected during outdoor runs.

The earbuds are commonly cited as IPX4-rated for sweat and light rain, but not for heavy water exposure.

The IP68 buds are extremely well-suited to sweaty training and rainy runs, making durability against dust and water one of the clearest strengths.

Even though the shells are fairly large, reviewers still described them as light enough to stay comfortable during movement and longer sessions.